6641100320 has 48 divisors (see below), whose sum is σ = 16612523928. Its totient is φ = 2500177920.

The previous prime is 6641100313. The next prime is 6641100341. The reversal of 6641100320 is 230011466.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4002839824 + 2638260496 = 63268^2 + 51364^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1218071 + ... + 1223510.

Almost surely, 2^6641100320 is an apocalyptic number.

It is an amenable number.

6641100320 is an abundant number, since it is smaller than the sum of its proper divisors (9971423608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6641100320 is a wasteful number, since it uses less digits than its factorization.

6641100320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441613 (or 2441605 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 6641100320 is about 81492.9464432352. The cubic root of 6641100320 is about 1879.6630903739.

Adding to 6641100320 its reverse (230011466), we get a palindrome (6871111786).

The spelling of 6641100320 in words is "six billion, six hundred forty-one million, one hundred thousand, three hundred twenty".